JSFiddle - React, Tailwind, and code Playground

HTML

<h3>Преимущества</h3>

CSS

h3{
  position: relative;
  padding-left: 65px;
}

h3:after{
  position: absolute;
  content: ' ';
  top: 11px;
  left: 0px;
  width: 45px;
  height: 2px;
  background-color: red;
}